Diestramima beybienkoi, Qin, Yanyan, Wang, Hanqiang, Liu, Xianwei & Li, Kai, 2016

Qin, Yanyan, Wang, Hanqiang, Liu, Xianwei & Li, Kai, 2016, A taxonomic study on the species of the genus Diestramima Storozhenko (Orthoptera: Rhaphidophoridae; Aemodogryllinae), Zootaxa 4126 (4), pp. 514-532 : 525-526

9. Diestramima beybienkoi sp. nov.

( Figs. 29–32 )

http://lsid.speciesfile.org/urn:lsid: Orthoptera .speciesfile.org:TaxonName:477208 Description. Male. Body intermediate to large sized. Head with fastigium of vertex divided into two conical tubercles. Legs long and slender; fore femora about 2.2 times as long as the pronotum, beneath unarmed, internal knee lobe without spines, genicular lobe with 1 long movable spur; fore tibia beneath with 2 external and 2 internal spurs, between the paired apical spurs with a short spur. Mid femora with a long movable spur on the internal and genicular lobe; mid tibia beneath with 2 external and 2 internal spurs, between the paired apical spurs with a short spur. Hind femora beneath with 5–7 inter spines and without outer spines; hind tibia above with 35–36 outer spines and 29–34 inter spines, inner subapical spur of hind tibia longer than hind metatarsus. Hind metatarsus with 2 dorsal spines. Basal part of paraproct widened and apex blunt ( Fig. 29 ). Apex of process of male 7th abdominal tergite trilobate ( Fig. 30 ). Male genitalia with rather wide dorso-median lobe and apex blunt ( Fig. 31 ). Female. Subgenital plate nearly triangular, both sides of basal part prominent, apex blunt ( Fig. 32 ). Ovipositor shorter than the half of hind femora.

Coloration. Body dark brown. Face with 4 darkish longitudinal bands and 2 dark spots near clypeal suture. Dorsal surface of hind femora with black bands.

Measurements. (length in mm) Body Ƌ16.0–26.0, ♀15.5–22.0; pronotum Ƌ5.5–8.0, ♀5.5–7.0; fore femora Ƌ7.5–15.5, ♀10.0–15.5; hind femora Ƌ24.5–30.5, ♀23.5–30.0; hind tibia Ƌ27.0–33.5, ♀26.0–33.5; ovipositor 10.5–22.0.

Material examined. Holotype, 1Ƌ, Suoxiyu, Cili, Hunan, 1988. X.4, collected by Liu Xian-Wei; paratype, 6ƋƋ, Qingcheng Mountain, Sichuan, alt. 700m, 1987. IX.10, collected by Liu Xian-Wei; 1♀, Suoxiyu, Cili, Hunan, 1988. X.4, collected by Liu Xian-Wei; 1♀, Fanjing Mountain, Guizhou, 2001. VIII.29, collected by Shi Fu-Ming; 2♂♂, Emei Mountain, Sichuan, alt. 700m, 2007. VIII.2–4, collected by Liu.Huang et al.; 1Ƌ, 6♀♀, Maoer Mountain, alt. 500–1100m, 2013. VII.30–VIII.6, collected by Liu Xian-Wei et al.; 1Ƌ, Hongkou Reserve, Dujiangyan, Sichuan, alt. 1100m, 2014. VII.25, collected by Wang Meng-meng; 7ƋƋ, 4♀♀, Yinyun Mountain, Chongqing, alt. 350–950m, 2014. VII.29–30, collected by Wang Han-Qiang; 1Ƌ, Simian Mountain, Jiangjin, Chongqing, alt. 1000m, 2014. VIII.3, collected by Wang Han-Qiang; 1♀, Leigong Mountain, Guizhou, alt. 1530– 2160m, 2015. VII.28–30, collected by Qin Yan-Yan.

Distribution. China (Sichuan, Hunan, Chongqing, Guangxi, Guizhou).

Discussion. This new species is similar to D. triangulata sp. nov., but differs as follows: process of male 7th abdominal tergite rather narrow, paraproct of male with a rather blunt apex.

Figures

FIGURES 29 – 32. Diestramima beybienkoi sp. nov. 29. Male abdominal apex, lateral view; 30. Process of male 7 th abdominal tergite, dorsal view; 31. Male genitalia, dorsal view; 32. Female subgenital plate, ventral view; scale bars = 2 mm.